---
product_id: 583466574
title: "Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch"
brand: "cosybay"
price: "650.84 DT"
currency: TND
in_stock: true
reviews_count: 10
category: "Cosybay"
url: https://www.desertcart.tn/products/583466574-cosybay-queen-size-feather-down-fiber-comforter-ultra-fluffy-duvet
store_origin: TN
region: Tunisia
---

# 90x90 inch ultra fluffy feather blend All-season breathable cotton cover Durable corner tabs & baffle box design Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch

**Brand:** cosybay
**Price:** 650.84 DT
**Availability:** ✅ In Stock

## Summary

> 🛌 Elevate your sleep game with the ultimate all-season feather comforter!

## Quick Answers

- **What is this?** Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch by cosybay
- **How much does it cost?** 650.84 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/583466574-cosybay-queen-size-feather-down-fiber-comforter-ultra-fluffy-duvet)

## Best For

- cosybay enthusiasts

## Why This Product

- Trusted cosybay brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Care:** Vacuum-packed for freshness, easy to fluff and maintain with gentle machine wash instructions.
- • **Year-Round Luxury:** Perfectly balanced thickness and breathability for cozy nights in every season.
- • **Cloud-Like Comfort:** Experience ultra-soft, lightweight warmth with a premium duck feather and down fiber blend.
- • **Skin-Friendly & Safe:** OEKO-TEX Standard 112 certified materials ensure a clean, odorless, and hypoallergenic sleep environment.
- • **Hotel-Grade Durability:** Baffle box stitching and corner tabs keep your comforter perfectly in place, wash after wash.

## Overview

The Cosybay Queen Size Feather Down Fiber Comforter is a 90x90 inch ultra-fluffy duvet insert filled with a luxurious blend of duck feathers and down fibers. Featuring a breathable cotton cover and durable baffle box construction with corner tabs, it offers year-round comfort and stability. Certified OEKO-TEX Standard 112 for safety and skin-friendliness, this lightweight comforter combines hotel-quality luxury with easy care, making it an essential upgrade for any modern bedroom.

## Description

Buy Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch: Duvets & Down Comforters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Comfy and warm - Very comfortable and warm. Light. I love sleeping in it.
Review: Would buy again - Color is exactly like the photo and it is so comfortable and fluffy

## Features

- 【Fluffy & Lightweight】Filled with a luxurious blend of duck feather fibers, duck feathers, and duck down fibers, Cosybay blue duvet is ultra soft, lightweight, and breathable, providing a cloud-like sleeping experience. Sized at 90 X 90 inches, this lightweight QUEEN duvet insert offers cozy warmth for a restful night's sleep. Ideal for bedroom, guest room, or hotel accommodations, this home collection offers luxurious bedding options.
- 【Premium Materials Certified for Safety】Cosybay bedding duvets & down fibers comforters has passed STANDARD 112 by OEKO-TEX Certified. The cover/shell of comforter is cotton, which makes the comforter extra fluffy, breathable. Premium material guarantees high cleanness, odorless, low noice and skin-friendly feather comforter.
- 【Durable & Exquisite Details】Premium baffle box design construction keeps down fibers and feathers evenly in place and resists from any leaking to ensure a stable and comfortable sleep. The four durable corner tabs prevent quilt from shifting inside duvet cover. Excellent double needle hemming design to ensure its longevity for years.
- 【All Season Duvet Insert】Cosybay's classic all-season duvet, with the perfect weight and thickness, is designed for year-round use, ensuring comfort in both hot and cool weather.
- 【Usage Care & Quality Assurance】It comes with vacuum packaging. Please gently tap and allow the comforter to sit for several hours to restore its original shape. Spot clean or dry clean if necessary. Your satisfaction is our top priority. Please feel free to contact us with any concerns, and we will spare no effort to solve the problems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D1YDJQR7 |
| Additional Features | Breathable, Durable, Lightweight, Skin Friendly, Ultra Soft |
| Age Range Description | Adult |
| Best Sellers Rank | #290,724 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #225 in Bedding Duvets & Down Comforters |
| Blanket Form | Duvet |
| Brand | Cosybay |
| Brand Name | Cosybay |
| Color | Blue |
| Customer Reviews | 4.4 out of 5 stars 812 Reviews |
| Fabric Type | Shell: Cotton |
| Fabric Warmth Description | Lightweight |
| Fill Material | Feather |
| Item Dimensions L x W | 90"L x 90"W |
| Manufacturer | Cosybay |
| Material | Cotton |
| Material Type | Cotton |
| Model Name | DFC B-Q |
| Model Number | DFC B |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine washable in the gentle cycle with cold water, sun-dry or tumble dry on low. Do Not Dry Clean, Do Not Bleach, Do Not Iron. |
| Recommended Uses For Product | Napping |
| Seasons | All, Fall, Spring, Summer, Winter |
| Size | Queen |
| Special Feature | Breathable, Durable, Lightweight, Skin Friendly, Ultra Soft |
| Style | Modern |
| Style Name | Modern |
| Theme | Plain |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Cosybay
- **Color:** Blue
- **Material:** Cotton
- **Special Feature:** Breathable, Durable, Lightweight, Skin Friendly, Ultra Soft
- **Style:** Modern

## Images

![Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch - Image 1](https://m.media-amazon.com/images/I/714j5lvVJCL.jpg)
![Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch - Image 2](https://m.media-amazon.com/images/I/81ayxZTHqRL.jpg)
![Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch - Image 3](https://m.media-amazon.com/images/I/71B2nSMx64L.jpg)
![Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch - Image 4](https://m.media-amazon.com/images/I/71hqmLIrscL.jpg)
![Cosybay Queen Size Feather Down Fiber Comforter Ultra Fluffy Duvet Insert, All Season Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, Blue, 90x90 Inch - Image 5](https://m.media-amazon.com/images/I/81V1yA-sXZL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: IS IT BREATHABLE?**
A: The Cover/Shell of Comforter is Cotton, Which Makes the Comforter Extra Breathable.

**Q: WHAT SEASON CAN I USE IT IN?**
A: Cosybay's Classic All-Season Duvet is Designed for Year-Round Comfort, Providing Warmth in Both Hot and Cool Weather.

**Q: MEASUREMENTS & DIMENSIONS?**
A: Twin 68"x90" ,Full 82"x86" ,Queen 90"x90" ,CAL King 104"X96" , King 106"X90" , Oversized Queen 98"X98",Oversized King 116"X98".

## Customer Reviews

### ⭐⭐⭐⭐⭐ Comfy and warm
*by A***Z on August 18, 2026*

Very comfortable and warm. Light. I love sleeping in it.

### ⭐⭐⭐⭐⭐ Would buy again
*by M***I on August 2, 2026*

Color is exactly like the photo and it is so comfortable and fluffy

### ⭐⭐⭐⭐⭐ 5 star awesome. Don’t skip this one.
*by J***3 on November 2, 2025*

So soft, with a simple design that can go in a cover or as I am using as a simple white comforter. This comforter is totally breathable so I am cozy but not hot and sweaty. It has a great weight without being overwhelming. I am in love ♥️♥️♥️ and the price cannot be beat. Don’t skip this one.

## Frequently Bought Together

- Cosybay Feather and Downfiber Comforter Oversized Queen Size, Ultra Fluffy Duvet Insert, All Season White Cotton Cover Luxury Hotel Bed Comforter with Corner Tabs, 98"x98"
- JELLYMONI Duvet Cover, 100% Natural Cotton, Printed Comforter Cover with Zipper Closure and Corner Ties (Over Queen 98×98 Inch, White Duvet Cover Set with Grey Stripes Pattern)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-01*